Barium selenite

Barium selenite (CAS 13718-59-7), formula BaSeO3, is an inorganic barium salt of selenious acid used in specialty electronics and materials manufacturing.

Where is Barium selenite used?

• Electronics: precursor for selenium-containing compounds and doped ceramic materials requiring precise elemental ratios
• Specialty glass: optical and radiation-shielding formulations
• Ceramics and phosphors: stable, low-solubility selenium source
• High-purity synthesis and ceramic processing: controlled source of barium and selenium
• Research and industrial synthesis operations use it as a starting material for preparing other barium or selenium compounds.

Commercial specifications

• Purity levels typically specified by suppliers
• Packaging in small to medium quantities